71879740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1297}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 160931232

約数和(自身を除く): 89051492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1297, 1630, 2594, 2771, 3260, 5188, 5542, 6485, 11084, 12970, 13855, 22049, 25940, 27710, 44098, 55420, 88196, 110245, 211411, 220490, 422822, 440980, 845644, 1057055, 2114110, 3593987, 4228220, 7187974, 14375948, 17969935, 35939870, 71879740]

約数ペア:

[(1, 71879740), (2, 35939870), (4, 17969935), (5, 14375948), (10, 7187974), (17, 4228220), (20, 3593987), (34, 2114110), (68, 1057055), (85, 845644), (163, 440980), (170, 422822), (326, 220490), (340, 211411), (652, 110245), (815, 88196), (1297, 55420), (1630, 44098), (2594, 27710), (2771, 25940), (3260, 22049), (5188, 13855), (5542, 12970), (6485, 11084)]